The Tube Assembly,fire Extinguishing, cataloged under National Stock Number 4210-01-336-9267, is classified within Federal Supply Class 4210 (Firefighting Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Hmt Thermal Systems Inc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4210-01-336-9267 |
| Primary Part Number | A3110G |
| Item Name | Tube Assembly,fire Extinguishing |
| FSC / FSG | 4210 / 42 — Firefighting Equipment |
| Manufacturer | Hmt Thermal Systems Inc |
| Status | ACTIVE |
| Seat Angle in Deg | 37.0 ALL ENDS |
| Design Form | STRAIGHT |
| Mating End Quantity | 2 ALL ENDS |
| Material Document and Classification | QQ-S-763, CLASS 304 FED SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.438 INCHES ALL ENDS IN |
| End Connection Style | SWIVEL NUT, FLARED ALL ENDS |
| Tube Outside Diameter | 0.250 INCHES NOMINAL IN |
| Thread Class | 2B ALL ENDS |
| Material | COPPER ALLOY TUBING |
| Material | STEEL COMP 304 ALL ENDS |
| Thread Series Designator | UNF ALL ENDS |
| End Connection Spec/std | MS51503 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 001613-04 | Bec Systems Llc Dba Bec Machine Products (USA) |
| A3110G PRIMARY | Hmt Thermal Systems Inc (USA) |
| A3110G | Kidde-Fenwal, Llc (USA) |
| Reference | Meaning |
|---|---|
| A10895 | 5/2 Secondary reference U.S. Government activity |
| 4210PL1824703 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| A10895 | 5/9 Secondary reference Tyco Fire Products Lp |
NSN 4210-01-336-9267 is a Tube Assembly,fire Extinguishing, manufactured by Hmt Thermal Systems Inc, classified under FSC 4210, Firefighting Equipment. Status: active.
NSN 4210-01-336-9267 has 3 manufacturer part numbers on file: 001613-04 (Bec Systems Llc Dba Bec Machine Products), A3110G (Hmt Thermal Systems Inc), A3110G (Kidde-Fenwal, Llc).
Key specifications for A3110G: Seat Angle in Deg: 37.0 ALL ENDS; Design Form: STRAIGHT; Mating End Quantity: 2 ALL ENDS; Material Document and Classification: QQ-S-763, CLASS 304 FED SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED. 13 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.